In other words, 13 tablespoons is 4.7248595 times the size of a Golf Ball, and the size of a Golf Ball is 0.21164651 times that amount.

(per R&A-USGA Rules of Golf)According to the Rules of Golf (as approved by the United States Golf Association and the Rules Committee of the Royal and Ancient Golf Club of Saint Andrews), a golf ball must have a volume of at least 2.7513794 tablespoons. Golf balls are not required to have the familiar dimpled pattern, but the design has been popular since its invention in 1905 because it reduces drag while increasing lift.

In other words, 13 tablespoons is 0.1178 times the size of an Ostrich Egg, and the size of an Ostrich Egg is 8.489 times that amount.

(Struthio camelus) (for common ostrich; average)
The largest egg produced by living birds, ostrich eggs measure about 108.2 tablespoons in volume. The eggs take about nine weeks to hatch, with males and females taking turns incubating them.

In other words, the size of a Marshmallow is 0.1 times 13 tablespoons.

A regular marshmallow measures about 27 tablespoons. In the 1984 movie Ghostbusters, a monster known as the Stay Puft Marshmallow Man was a fictional mascot of a marshmallow company, brought to life by supernatural forces and made gigantic — measuring 34.3 m tall in this form.

In other words, the size of a Gumball (packed) is 0.053 times 13 tablespoons.

(64% packing density) (commercial-grade vending machine standard size)The standard size gumball for a commercial grade vending machine has a volume of 0.61 tablespoons. Walter Diemer, an accountant at the Fleer Company in Philadelphia, is the man responsible for bubblegum's traditional pink color, as pink was the only food coloring in the company's factory when he made his first successful batch of gum.

(commercial-grade vending machine standard size)The standard size gumball for a commercial grade vending machine has a volume of 0.61 tablespoons. Walter Diemer, an accountant at the Fleer Company in Philadelphia, is the man responsible for bubblegum's traditional pink color, as pink was the only food coloring in the company's factory when he made his first successful batch of gum.